-------------------------------------------------------------------------- ISDN Abbreviations Collected by Phunatic Phreak (c) 1992 www.phreak.ch -------------------------------------------------------------------------- File created 2/20/92 Version 1.0 Greetings to Virus, Mr. Magic, Archangel, Dr. Who, Sunshine, Superuser, Scsi ! Special Greets 2: KLUDGE and Dr. Delam ! Greetinx from 228, Phunatic Phreak -------------------------------------------------------------------------- A/B -signalling: Special LSB signalling in u-law system acc. Acceptance AAR Automatic Alternative Routing ADPCM Adaptive Differential Pulse Code Modulation ARR Automatic ReRouting AS(IM) outgoing AccesS IMplicit AOC Advice Of Charge BC Bearer Capability CAI Charge Advice Information CC Call Control CC Country Code CCA Call Control Agent CCBS Completion of Calls to Busy Subscribers Cd Called Number CD Call Deflection CDLI CalleD Line Identity CFB Call Forwarding Busy CFDC Call Forwarding Detection and Control functionality CFNR Call Forwarding No Reply CFU Call Forwarding Unconditional Cg Calling Number CL Calling Line CLI Calling Line Identity CLIP Calling Line Identification Presentation CLIR Calling Line Identification Restriction CME Circuit Multiplication Equipment CMP Control Message Processing CNIC Clearing Network Identification Code CODEC COder/DECoder COFIDEC COder FIlter DECoder COL COnnected Line COLP COnnected Line identification Presentation conf. Confirmed CPE Charging Providing Entitiy CR Call Reference CRE Charging Requesting Entity CRP Call Request Packet CSPDN Circuit Switched Public Data Network CUG Closed User Group CVSD Continuosly Variable Slope Delta (modulation) D3 Multiplexes 24 voice channels to 1.544MHz PCM carrier DCE Data Communication Equipment DCME Digital Circuit Multiplication Equipment DDI Direct Dialing In DLC Data Link Controller DN Destination Network DNIC Data Network Identification Code DSI Digital Speech Interpolation DTE Data Terminal Equipment F Telephone link FCI Forward Call Indicators FE Functional Entity FEA Functional Entity Actions HLC High Layer Compability HLR Home Location Register IC Interlock Code ICB Incomming Calls Barred IDL Interchip Digital Link IMC International Maintenance Center IMSI International Mobile Station Identity INIC ISDN Network Identification Code ISC International Switching Center ISDN Integrated Services Digital Network ISPBX ISDN Private Branch eXchange ISUP ISdn User Part IWF InterWorking Function LE Local Exchange LAPD Link Access Procedure on D channel LRE Low Rate Encoding M Modem MGT Mobile Global Title MNC Mobile Network Code MSC Maritime Switching Centre MSDSE Maritime Satellite Data Switching Exchanges MSIN Mobile Station Identification Number Mu-law u-law (companding encoding law) NC Network Code NCI Nature of Connection Indicators NDC National Destination Code NDUP Network Determined User Busy NPI Numbering Plan Identifier NSN National Significant Number NT Network Termination OA Outgoing Access allowed OAE Outgoing Access Explicit OCB Outgoing Call Barred OMC Operations and Maintenance Center PAD Packet Assembly Disassembly PCM Pulse Code Modulation pCUG Preferential call Closed User Group PDN Public Data Network PH Packet Handler PI Presentation Indicator PLMN Public Land Mobile Networks PSPDN Packet Switched Public Data Network PSTN Public Switched Telephone Network re. Requested Essentual REJ incomming call REJected rej. Rejected req. Requested rne. Requested non-essential RPOA Recognized Private Operating Agency RT Radio Telephone link SA Sub Adress SAT Satellite link SC Service Center SCCP Signalling Connection Control Part SCP Serial Control Port SCU Subscriber Channel Unit SDL Specification and Description Language SI Screening Indicator SN Subscriber Number SP Satellite link set up via SPADE SPADE e.g. Satellite Systems in International Telephony SPC Stored Program Controlled S/T Subscriber Trunk T1 PCM-carrier at 1.544 MHz carrying 24 voice-channels TA Terminal Adapter TASI Time Assignments Speech Interpolation TC Transaction Capabilities TC Trunk Code TDM Time Division Multiplex TDMA Time Division Multiple Access TE Terminal Equipment TID Terminal IDentification TMR Transmission Medium Requirement TNIC Transit Network Identification Code TON Type Of Number TR TRansit exchange TSAC Time Slot Assigner Circuit TSIC Time Slot Interchange Circuit UDLT Universal Digital Loop Transceiver UDUP User Determined User Busy UUI User to User Information UUM User to User Message UUS User to User Signalling USI User Service Information VLR Visited Location Register